/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.flink.test.iteration.operators;

import org.apache.flink.streaming.api.functions.sink.SinkFunction;
import org.apache.flink.testutils.junit.SharedReference;

import java.util.concurrent.BlockingQueue;

/** Collects the results into the given queue. */
public class CollectSink implements SinkFunction<OutputRecord<Integer>> {

    private final SharedReference<BlockingQueue<OutputRecord<Integer>>> result;

    public CollectSink(SharedReference<BlockingQueue<OutputRecord<Integer>>> result) {
        this.result = result;
    }

    @Override
    public void invoke(OutputRecord<Integer> value, Context context) throws Exception {
        result.get().add(value);
    }
}
